Display screen or portion thereof with transitional graphical user interface



The patent or application file contains at least one drawing executed incolor. Copies of this patent with color drawings will be provided by theOffice upon request and payment of the necessary fee.

FIG. 1 is a front view of the first image of a display screen or portionthereof with transitional graphical user interface showing the newdesign;

FIG. 2 is a front view of the second image thereof;

FIG. 3 is a front view of the third image thereof; and,

FIG. 4 is a front view of the fourth image thereof.

The appearance of the image transitions sequentially between the imagesshown in FIGS. 1-4. The process or period in which an image transitionsto another forms no part of the claimed design. The broken line showingof the display screen or portion thereof forms no part of the claimeddesign.

CLAIM The ornamental design for a display screen or portion thereof withtransitional graphical user interface, as shown and described.